Description
The T4x is Crowcon's next-generation personal multi-gas detector, built on long-life O2 and MPS™ flammable sensor technology for longer sensor life and lower cost of ownership, detecting oxygen, carbon monoxide, hydrogen sulphide and flammable gases.
US alarm configurations shown; versions suffixed CRD include the charging cradle.
Common Applications:
Confined Space • Personal Monitoring • Steel • Petrochemical • Oil & Gas • Water & Wastewater • Construction
Need help selecting the right configuration? Call CPS Calibrations at (865) 900-8844 — every configuration on this page is a factory Crowcon build, and we calibrate what we sell.
- Zone 0 approved personal 4-gas monitor for carbon monoxide, hydrogen sulphide, flammable gases and oxygen depletion
- MPS sensor option accurately identifies 15+ flammable gases in one device with zero risk of sensor poisoning
- Long-Life O2 sensor option for lower cost of ownership
- Up to 35 hours battery life with MPS sensor fitted — double the original T4
- Dual Toxic sensor option for combined CO and H2S detection
- Large single button and intuitive menu — operable wearing gloves with minimal training
- Integrated rubber boot as standard; drop tested to 4 m onto concrete
- Front-mounted backlit display with 180° flip for easy viewing while worn
| Gases & Ranges | Oxygen (O2) 0-30% vol (0.1% res.); Oxygen Long-Life 0-25% vol (0.1%); Flammable (MPS or pellistor) 0-100% LEL (1%); Hydrogen sulphide (H2S) 0-100 ppm (1 ppm); Carbon monoxide (CO) 0-1000 ppm (1 ppm), incl. CO H2-immune option. 2, 3 or 4-gas configurations. |
| Size | 135 x 80 x 35 mm (5.3 x 3.1 x 1.4 in) |
| Weight | 282 g (9.9 oz) |
| Durability | Drop tested 4 m onto concrete |
| Alarms | Audible 95 dB; vibrating; bright red & blue LEDs |
| Display | Front-mounted, backlit, 180° flip for easy viewing while worn |
| Data logging | 130 hours of data at 10-second intervals; 3,500 events |
| Battery | Rechargeable Li-ion; up to 35 hours runtime with MPS sensor fitted; 5.5 hour recharge |
| Operating temperature | -20 to +55 °C (-4 to +131 °F) |
| Humidity | 10-95% RH @ 40 °C non-condensing |
| Ingress protection | Independently tested to IP65 and IP67 |
| Approvals | ATEX & UKCA II 1 G Ex ia IIC T4 Ga (Type 1); IECEx Ex ia IIC T4 Ga; UL/cUL Class 1 Div 1 Groups A, B, C, D; MED |
| Compliance | EMC Directive 2014/30/EU |
| Crowcon Connect compatible | Yes |
Product Documents & Resources
- T4x Portable Multi-Gas Detector Datasheet (PDF)
- T4x Portable Multi-Gas Detector User Manual (PDF)
Document files are being added to this page. Need one now? Email info@cpscalibrations.com and we'll send it straight over.